Kollywood actor Kamal Hasan has also joined the league of actors volunteering for charity programmes. The actor launched a book in Chennai for the benefit of underprivileged children in the state. The book is titled 'Aviva Great Wall of Education'. The function was organized by Aviva Life Insurance Corporation together witha leading English daily. “the overwhelming response from last year has fuelled our ambition to make it even bigger this year and to expand the footprint. In the first phase of the activity this year in Kolkata, we have already collected a large number of books, and we look forward to making it a big success in Chennai as well.”, said T R Ramachandran, Chief Executive officer and Managing director of Aviva India.